Conjuntos e intervalos numéricos
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Sea A = {1, 2, 3, 4, 5} seleccione la opción incorrecta.
5 ∈ A
-2 ∈ A
-10 ∉ A
6 ∉ A
Answer explanation
El -2 no pertenece al conjunto A.
2.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Sea A = {2, 4, 6, 8, 10}, B = {2, 4, 6} y C = {1, 2, 3}. Seleccione la respuesta correcta:
A ⊂ B
A ⊂ C
C ⊂ A
B ⊂ A
Answer explanation
Todos los elementos de B, también están en A, por eso B es subconjunto de A.
3.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Sea A = {2, 4, 6} y B = {2, 3, 4, 5}. Entonces A U B está dado por:
A U B = {2, 4}
A U B = {2, 3, 4, 5, 6}
A U B = {}
A U B = {3, 5}
Answer explanation
La unión, está conformado por los elementos que solo están en el conjunto A, más los elementos que solo están en el conjunto B, más los elementos comunes de ambos.
4.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Los conjuntos A y B están representados por el siguientes diagrama de Venn, ¿Cuál es el intersecto del conjunto A y B?
A ∩ B = {7, 8}
A ∩ B = {3, 5}
A ∩ B = {1, 2}
A ∩ B = {1, 2, 3, 5, 7, 8}
Answer explanation
La intersección está formada por los elementos que tienen en común ambos conjuntos.
5.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
La imagen muestra el conjunto Universo y el conjunto A. El complemento de A está conformado por los elementos:
Ac = {4, 7, 10}
Ac = {2, 3, 5, 8}
Ac = {}
Answer explanation
El complemento de A, son todos aquellos elementos que están en el Universo pero no en A.
6.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Sean los conjuntos A = {1, 2, 8, 10} y B = {1, 2, 3, 6, 7} y se te muestra su diagrama de Venn. El resultado de A - B sería:
A - B = {3, 6, 7}
A - B = {1, 2}
A - B = {8, 10}
Answer explanation
La diferencia de A - B está conformada por los elementos que solo están en A.
7.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
A = {3, 4, 5, 6, 7}
A = {2, 3, 4, 5, 6, 7}
A = {3, 4, 5, 6, 7, 8}
A = {2, 3, 4, 5, 6, 7, 8}
Answer explanation
La respuesta incluye los números igual o mayores que 2 pero que sean menores o iguales que 8.
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